4grw:H     (GLU1) to   (SER123)  STRUCTURE OF A COMPLEX OF HUMAN IL-23 WITH 3 NANOBODIES (LLAMA VHHS)  |   CYTOKINE, IMMUNOGLOBULIN FOLD, VHH DOMAIN, IMMUNE SYSTEM 
1a0q:L     (ILE2) to   (ALA109)  29G11 COMPLEXED WITH PHENYL [1-(1-N-SUCCINYLAMINO)PENTYL] PHOSPHONATE  |   CATALYTIC ANTIBODY, ESTERASE 
2otu:C     (LEU2) to   (VAL114)  CRYSTAL STRUCTURE OF FV POLYGLUTAMINE COMPLEX  |   ANTIBODY FV POLYGLUTAMINE COMPLEX, IMMUNE SYSTEM 
4ww1:B     (VAL4) to   (GLU125)  CRYSTAL STRUCTURE OF HUMAN TCR ALPHA CHAIN-TRAV21-TRAJ8 AND BETA CHAIN-TRBV7-8  |   IMMUNITY, NKT CELLS, IMMUNE SYSTEM 
2p5e:E     (GLY1) to   (GLU112)  CRYSTAL STRUCTURES OF HIGH AFFINITY HUMAN T-CELL RECEPTORS BOUND TO PMHC REVEAL NATIVE DIAGONAL BINDING GEOMETRY  |   T-CELL RECEPTOR, CDR3, PHAGE DISPLAY, MUTANT, HIGH AFFINITY, NY-ESO- 1, IMMUNE SYSTEM 
1bd2:E     (GLY3) to   (GLU118)  COMPLEX BETWEEN HUMAN T-CELL RECEPTOR B7, VIRAL PEPTIDE (TAX) AND MHC CLASS I MOLECULE HLA-A 0201  |   COMPLEX (MHC-VIRAL PEPTIDE-RECEPTOR), COMPLEX (MHC-VIRAL PEPTIDE- RECEPTOR) COMPLEX 
3ezj:H     (GLN1) to   (SER120)  CRYSTAL STRUCTURE OF THE N-TERMINAL DOMAIN OF THE SECRETIN GSPD FROM ETEC DETERMINED WITH THE ASSISTANCE OF A NANOBODY  |   GENERAL SECRETORY PATHWAY, SECRETIN, SINGLE CHAIN ANTIBODY, PROTEIN TRANSPORT, IMMUNE SYSTEM, COMPLEX 
2bse:E     (GLN3) to   (SER123)  STRUCTURE OF LACTOCOCCAL BACTERIOPHAGE P2 RECEPTOR BINDING PROTEIN IN COMPLEX WITH A LLAMA VHH DOMAIN  |   LACTOCOCCUS LACTIS, PHAGE, RECEPTOR BINDING PROTEIN, LLAMA ANTIBODY, VHH, RECEPTOR 
3s96:B   (VAL243) to   (VAL354)  CRYSTAL STRUCTURE OF 3B5H10  |   FAB, HUNTINGTIN, IMMUNE SYSTEM 
1oga:D     (GLN3) to   (PRO111)  A STRUCTURAL BASIS FOR IMMUNODOMINANT HUMAN T-CELL RECEPTOR RECOGNITION.  |   IMMUNE SYSTEM/RECEPTOR, IMMUNE SYSTEM/RECEPTOR/COMPLEX, TCR, MHC, IMMUNODOMINANCE, FLU, COMPLEX, PEPTIDE, TRANSMEMBRANE, GLYCOPROTEIN, SIGNAL, POLYMORPHISM, T-CELL, RECEPTOR 
3skn:F     (VAL5) to   (GLU126)  CRYSTAL STRUCTURE OF THE RL42 TCR UNLIGANDED  |   T CELL RECEPTOR, IMMUNE SYSTEM 
1ct8:C     (LEU2) to   (ALA109)  CATALYTIC ANTIBODY 7C8 COMPLEX  |   ABZYME TRANSITION STATE ANALOG, IMMUNE SYSTEM 
2cdf:B     (ASP4) to   (GLU116)  STRUCTURE AND BINDING KINETICS OF THREE DIFFERENT HUMAN CD1D-ALPHA-GALACTOSYLCERAMIDE-SPECIFIC T CELL RECEPTORS (TCR 5E)  |   CELL RECEPTOR, CD1D, ALPHA-GALACTOSYLCERAMIDE, NON-CANONICAL TCR, TCR, T CELL RECEPTOR, MHC CLASS I, NATURAL KILLER T CELL, TCR 5E 
2cdg:B     (ASP4) to   (GLU117)  STRUCTURE AND BINDING KINETICS OF THREE DIFFERENT HUMAN CD1D-ALPHA-GALACTOSYLCERAMIDE-SPECIFIC T CELL RECEPTORS (TCR 5B)  |   RECEPTOR, CD1D, MHC CLASS I,  TCR 5B 
2qhr:L     (LEU3) to   (GLY108)  CRYSTAL STRUCTURE OF THE 13F6-1-2 FAB FRAGMENT BOUND TO ITS EBOLA VIRUS GLYCOPROTEIN PEPTIDE EPITOPE.  |   IMMUNOLOGLOBULIN FOLD, ANTIBODY-PEPTIDE COMPLEX, IMMUNE SYSTEM/VIRAL PROTEIN COMPLEX 
4isv:A     (LEU2) to   (VAL114)  CRYSTAL STRUCTURE OF THE FAB FRAGMENT OF 1C2, A MONOCLONAL ANTIBODY SPECIFIC FOR POLY-GLUTAMINE  |   1C2,FAB, VLX, NEURODEGENERATION, POLYGLUTAMINE DISEASE, AMYLOID DISEASE, IMMUNOGLOBULIN FOLD, IMMUNE SYSTEM 
4j1u:E     (VAL3) to   (SER114)  CRYSTAL STRUCTURE OF ANTIBODY 93F3 UNSTABLE VARIANT  |   ANTIBODY MATURATION, ANTIBODY STABILITY, CLONAL SELECTION, IMMUNE SYSTEM 
3tyf:D     (ASP3) to   (GLU118)  CRYSTAL STRUCTURE OF A CD1D-LYSOPHOSPHATIDYLCHOLINE REACTIVE INKT TCR  |   IMMUNOGLOBULIN-LIKE, ANTIGEN RECOGNITION, CD1D, MEMBRANE, IMMUNE SYSTEM 
4k3h:D     (GLN1) to   (LEU106)  IMMUNOGLOBULIN LAMBDA VARIABLE DOMAIN L5(L89S) FLUOROGEN ACTIVATIONG PROTEIN IN COMPLEX WITH MALACHITE GREEN  |   IMMUNOGLOBULIN FOLD, FLUORESCENSCE, MALACHITE GREEN, O-MANNOSYLATION, THR27, IMMUNE SYSTEM-INHIBITOR COMPLEX 
2fec:L     (ASP1) to   (ALA108)  STRUCTURE OF THE E203Q MUTANT OF THE CL-/H+ EXCHANGER CLC- EC1 FROM E.COLI  |   CLC-EC1; CLCA_ECOLI; CHLORIDE/PROTON EXCHANGE TRANSPORTER, PROTON TRANSPORT,MEMBRANE PROTEIN 
1rz8:D     (GLU1) to   (SER112)  CRYSTAL STRUCTURE OF HUMAN ANTI-HIV-1 GP120-REACTIVE ANTIBODY 17B  |   HIV-1; GP120; CD4I; ANTIBODIES; TYROSINE SULFATION; VH-GENE USAGE, IMMUNE SYSTEM 
4z7u:F     (GLY3) to   (GLU128)  S13 COMPLEX  |   IMMUNE RECEPTOR-LIGAND COMPLEX, IMMUNE SYSTEM 
4z7v:F     (GLY3) to   (GLU128)  L3-12 COMPLEX  |   IMMUNE RECEPTOR-LIGAND COMPLEX, IMMUNE SYSTEM 
4z7v:H     (GLY3) to   (GLU128)  L3-12 COMPLEX  |   IMMUNE RECEPTOR-LIGAND COMPLEX, IMMUNE SYSTEM 
2vlj:D     (GLN3) to   (PRO111)  THE STRUCTURAL DYNAMICS AND ENERGETICS OF AN IMMUNODOMINANT T-CELL RECEPTOR ARE PROGRAMMED BY ITS VBETA DOMAIN  |   IMMUNE SYSTEM, GLYCOPROTEIN, TRANSMEMBRANE, IMMUNE SYSTEM/RECEPTOR/COMPLEX, IMMUNOGLOBULIN DOMAIN, HOST-VIRUS INTERACTION, PYRROLIDONE CARBOXYLIC ACID, IMMUNE RESPONSE, IMMUNODOMINANCE, DISEASE MUTATION, MEMBRANE, SECRETED, RECEPTOR, GLYCATION, TCR, FLU, MHC, MHC I, T-CELL, COMPLEX 
1shm:E     (VAL2) to   (VAL111)  CONVERGENT SOLUTIONS TO VHH DOMAIN STABILIZATION FROM NATURAL AND IN VITRO EVOLUTION  |   HEAVY CHAIN VARIABLE DOMAIN, VHH DOMAIN, IMMUNOGLOBULIN, IMMUNE SYSTEM 
2gk0:L     (LEU2) to   (ALA109)  STRUCTURE OF CATALYTIC ELIMINATION ANTIBODY 13G5 FROM A TWINNED CRYSTAL IN SPACE GROUP C2  |   IMMUNOGLOBULIN,CATALYTIC ANTIBODY, ELIMINATION, IMMUNE SYSTEM 
3idi:B     (ARG1) to   (SER112)  CRYSTAL STRUCTURE OF THE HIV-1 CROSS NEUTRALIZING MONOCLONAL ANTIBODY 2F5 FAB' FRAGMENT IN COMPLEX WITH GP41 PEPTIDE ALDKWNQ  |   HIV-1, GP41, MPER, 2F5, IMMUNE SYSTEM 
1tcr:B     (ALA3) to   (LEU116)  MURINE T-CELL ANTIGEN RECEPTOR 2C CLONE  |   T-CELL, RECEPTOR, TRANSMEMBRANE, GLYCOPROTEIN 
3vxm:E     (VAL4) to   (GLU114)  THE COMPLEX BETWEEN C1-28 TCR AND HLA-A24 BOUND TO HIV-1 NEF134-10(2F) PEPTIDE  |   HIV-1, NEF, IMMUNE SYSTEM, HLA-A24, T CELL RECEPTOR, MHC CLASS I, IMMUNOGLOBURIN DOMAIN, TCR, MHC, IMMUNE RESPONSE 
2ial:A     (ILE1) to   (PRO108)  STRUCTURAL BASIS FOR RECOGNITION OF MUTANT SELF BY A TUMOR- SPECIFIC, MHC CLASS II-RESTRICTED TCR  |   X-RAY CRYSTALLOGRAPHY, MAJOR HISTOCOMPATIBILITY COMPLEX, T CELL RECEPTOR, T CELL STIMULATION, MELANOMA, TUMOR ANTIGEN, IMMUNE SYSTEM 
2icw:I     (SER2) to   (LEU110)  CRYSTAL STRUCTURE OF A COMPLETE TERNARY COMPLEX BETWEEN TCR, SUPERANTIGEN, AND PEPTIDE-MHC CLASS II MOLECULE  |   TCR, MHC, SUPERANTIGEN, PROTEIN-PROTEIN COMPLEX, IMMUNE SYSTEM 
2icw:K     (SER2) to   (LEU110)  CRYSTAL STRUCTURE OF A COMPLETE TERNARY COMPLEX BETWEEN TCR, SUPERANTIGEN, AND PEPTIDE-MHC CLASS II MOLECULE  |   TCR, MHC, SUPERANTIGEN, PROTEIN-PROTEIN COMPLEX, IMMUNE SYSTEM 
3j7e:L     (VAL3) to   (ALA115)  ELECTRON CRYO-MICROSCOPY OF HUMAN PAPILLOMAVIRUS 16 AND H16.V5 FAB FRAGMENTS  |   HPV16.V5 FAB VARIABLE DOMAIN, HI AND FG LOOPS, HPV16 CAPSID, VIRUS- FAB COMPLEX, NEUTRALIZATION ANTIBODY, MATURATION, IMMUNE SYSTEM 
3j7e:A     (VAL3) to   (ALA115)  ELECTRON CRYO-MICROSCOPY OF HUMAN PAPILLOMAVIRUS 16 AND H16.V5 FAB FRAGMENTS  |   HPV16.V5 FAB VARIABLE DOMAIN, HI AND FG LOOPS, HPV16 CAPSID, VIRUS- FAB COMPLEX, NEUTRALIZATION ANTIBODY, MATURATION, IMMUNE SYSTEM 
3j7e:C     (VAL3) to   (ALA115)  ELECTRON CRYO-MICROSCOPY OF HUMAN PAPILLOMAVIRUS 16 AND H16.V5 FAB FRAGMENTS  |   HPV16.V5 FAB VARIABLE DOMAIN, HI AND FG LOOPS, HPV16 CAPSID, VIRUS- FAB COMPLEX, NEUTRALIZATION ANTIBODY, MATURATION, IMMUNE SYSTEM 
3j7e:E     (VAL3) to   (ALA115)  ELECTRON CRYO-MICROSCOPY OF HUMAN PAPILLOMAVIRUS 16 AND H16.V5 FAB FRAGMENTS  |   HPV16.V5 FAB VARIABLE DOMAIN, HI AND FG LOOPS, HPV16 CAPSID, VIRUS- FAB COMPLEX, NEUTRALIZATION ANTIBODY, MATURATION, IMMUNE SYSTEM 
2xna:A     (GLN2) to   (PRO110)  CRYSTAL STRUCTURE OF THE COMPLEX BETWEEN HUMAN T CELL RECEPTOR AND STAPHYLOCOCCAL ENTEROTOXIN  |   IMMUNE SYSTEM, SUPERANTIGEN 
5c09:D     (GLU3) to   (PRO111)  HLA CLASS I HISTOCOMPATIBILITY ANTIGEN  |   IMMUNO, HLA-A02, 1E6-TCR, CROSS-REACTIVITY, IMMUNE SYSTEM 
2nts:P     (GLY3) to   (GLU118)  CRYSTAL STRUCTURE OF SEK-HVB5.1  |   SUPERANTIGEN; T CELL RECEPTOR, TOXIN-IMMUNE SYSTEM COMPLEX 
2nx5:J     (GLY3) to   (GLU118)  CRYSTAL STRUCTURE OF ELS4 TCR BOUND TO HLA-B*3501 PRESENTING EBV PEPTIDE EPLPQGQLTAY AT 1.7A  |   TCR-PMHC, IMMUNE COMPLEX, IMMUNE SYSTEM 
2nxz:D  (GLU3001) to  (SER3127)  HIV-1 GP120 ENVELOPE GLYCOPROTEIN (T257S, S334A, S375W) COMPLEXED WITH CD4 AND ANTIBODY 17B  |   HIV, GP120, ANTIBODY, CD4, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
2ny1:D  (GLU3001) to  (SER3127)  HIV-1 GP120 ENVELOPE GLYCOPROTEIN (I109C, T257S, S334A, S375W, Q428C) COMPLEXED WITH CD4 AND ANTIBODY 17B  |   HIV, GP120, ANTIBODY, CD4, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
2ny3:D  (GLU3001) to  (SER3127)  HIV-1 GP120 ENVELOPE GLYCOPROTEIN (K231C, T257S, E267C, S334A, S375W) COMPLEXED WITH CD4 AND ANTIBODY 17B  |   HIV, GP120, ANTIBODY, CD4, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
3k81:B     (GLN3) to   (SER120)  STRUCTURE OF THE CENTRAL INTERACTION PROTEIN FROM THE TRYPANOSOMA BRUCEI EDITOSOME IN COMPLEX WITH SINGLE DOMAIN ANTIBODIES  |   KREPA6, VHH, SINGLE DOMAIN ANTIBODY, IMMUNE SYSTEM, RNA BINDING PROTEIN 
4onh:A     (LYS1) to   (HIS109)  CRYSTAL STRUCTURE OF DN6 TCR  |   IG FOLD, TCR, ANTIGEN RECOGNITION, MHC LIKE, IMMUNE SYSTEM 
2znw:B     (ILE2) to   (ILE106)  CRYSTAL STRUCTURE OF SCFV10 IN COMPLEX WITH HEN EGG LYSOZYME  |   SINGLE CHAIN FV, LYSOZYME, ALLERGEN, ANTIMICROBIAL, BACTERIOLYTIC ENZYME, GLYCOSIDASE, HYDROLASE, IMMUNE SYSTEM-HYDROLASE COMPLEX 
4p49:A     (ALA1) to   (LEU102)  THE STRUCTURE OF A CHICKEN ANTI-PROSTATE SPECIFIC ANTIGEN SCFV  |   RECOMBINANT ANTIBODY, CHICKEN, CARDIAC TROPONIN I, SCFV, IMMUNOGLOBULIN, PHAGE DISPLAY, IMMUNE SYSTEM 
4p4k:D     (VAL4) to   (GLU114)  STRUCTURAL BASIS OF CHRONIC BERYLLIUM DISEASE: BRIDGING THE GAP BETWEEN ALLERGIC HYPERSENSITIVITY AND AUTO IMMUNITY  |   BE BOUND COMPLEX, CHRONIC BERYLLIUM DISEASE, TCR-MHC PEPTIDE-BE2+, IMMUNE SYSTEM 
4p4k:H     (GLY3) to   (GLU114)  STRUCTURAL BASIS OF CHRONIC BERYLLIUM DISEASE: BRIDGING THE GAP BETWEEN ALLERGIC HYPERSENSITIVITY AND AUTO IMMUNITY  |   BE BOUND COMPLEX, CHRONIC BERYLLIUM DISEASE, TCR-MHC PEPTIDE-BE2+, IMMUNE SYSTEM 
4p5t:B     (ALA1) to   (GLU111)  14.C6 TCR COMPLEXED WITH MHC CLASS II I-AB/3K PEPTIDE  |   MHC, TCR, IMMUNE RECEPTOR, IG-LIKE DOMAIN, IMMUNE SYSTEM 
4p5t:F     (ALA1) to   (LEU110)  14.C6 TCR COMPLEXED WITH MHC CLASS II I-AB/3K PEPTIDE  |   MHC, TCR, IMMUNE RECEPTOR, IG-LIKE DOMAIN, IMMUNE SYSTEM 
3kr3:L     (GLN4) to   (THR110)  CRYSTAL STRUCTURE OF IGF-II ANTIBODY COMPLEX  |   ANTIBODY-TARGET COMPLEX, CARBOHYDRATE METABOLISM, GLUCOSE METABOLISM, GLYCOPROTEIN, GROWTH FACTOR, HORMONE, MITOGEN, OSTEOGENESIS, SECRETED, IMMUNE SYSTEM 
5d7l:D     (LYS3) to   (PRO109)  STRUCTURE OF HUMAN MR1-5-OP-RU IN COMPLEX WITH HUMAN MAV36 TCR  |   RECEPTOR, ANTIGEN, IMMUNE SYSTEM 
5d8j:H     (VAL2) to   (SER118)  DEVELOPMENT OF A THERAPEUTIC MONOCLONAL ANTIBODY TARGETING SECRETED AP2 TO TREAT TYPE 2 DIABETES.  |   AP2, FABP4, DIABETES, METABOLIC SYNDROME, IMMUNE SYSTEM 
1mwa:B     (ALA2) to   (GLU117)  2C/H-2KBM3/DEV8 ALLOGENEIC COMPLEX  |   IG DOMAIN, ANTIGEN RECOGNITION, COMPLEMENTARITY DETERMINING REGION, IMMUNE SYSTEM 
3kyk:L     (GLN3) to   (THR109)  CRYSTAL STRUCTURE OF LI33 IGG1 FAB  |   ANTIBODY, IMMUNE SYSTEM 
1yzz:A     (VAL2) to   (VAL116)  HUMANIZED CABAN33 AT ROOM TEMPERATURE  |   ANTIBODY, CAMEL ANTIBODY, HUMANIZATION, UNKNOWN FUNCTION 
5dr5:L     (ASP1) to   (THR110)  CRYSTAL STRUCTURE OF THE SCLEROSTIN-NEUTRALIZING FAB ABD09097  |   SCLEROSTIN-NEUTRALIZING, FAB, WNT INHIBITOR, IMMUNE SYSTEM 
3mbe:D     (ALA3) to   (GLU128)  TCR 21.30 IN COMPLEX WITH MHC CLASS II I-AG7HEL(11-27)  |   T CELL RECEPTOR, HISTOCOMPATABILITY ANTIGEN, MHC CLASS II, I-AG7, IMMUNE SYSTEM 
3mbe:H     (ALA3) to   (GLU128)  TCR 21.30 IN COMPLEX WITH MHC CLASS II I-AG7HEL(11-27)  |   T CELL RECEPTOR, HISTOCOMPATABILITY ANTIGEN, MHC CLASS II, I-AG7, IMMUNE SYSTEM 
3mff:B     (LYS3) to   (GLU115)  1F1E8HU TCR  |   T-CELL RECEPTOR, PROTEIN METAMORPHISM, ALPHA CONSTANT DOMAIN, IMMUNE SYSTEM 
3mff:D     (LYS3) to   (GLU115)  1F1E8HU TCR  |   T-CELL RECEPTOR, PROTEIN METAMORPHISM, ALPHA CONSTANT DOMAIN, IMMUNE SYSTEM 
4qok:D     (GLU5) to   (GLN112)  STRUCTURAL BASIS FOR INEFFECTIVE T-CELL RESPONSES TO MHC ANCHOR RESIDUE IMPROVED HETEROCLITIC PEPTIDES  |   IMMUNOGLOBULIN, HLA, TCR, MELANOMA, IMMUNE SYSTEM 
5eor:L     (LEU3) to   (GLY117)  STRUCTURE OF THE MURINE ANTIBODY FAB 8E3 BOUND TO THE VACCINIA VIRUS A27 PEPTIDE 101-110  |   ANTIBODY, FAB, VACCINIA VIRUS, NEUTRALIZING, LINEAR EPITOPE, VIRAL PROTEIN-IMMUNE SYSTEM COMPLEX 
4qrp:L     (VAL4) to   (GLU128)  CRYSTAL STRUCTURE OF HLA B*0801 IN COMPLEX WITH HSKKKCDEL AND DD31 TCR  |   HLA B*0801, HUAMN HEPATITIS C VIRUS, TCR, T CELL, IMMUNE SYSTEM 
4qrr:E     (GLY3) to   (GLU128)  CRYSTAL STRUCTURE OF HLA B*3501-IPS IN COMPLEX WITH A DELTA-BETA TCR, CLONE 12 TCR  |   HLA B*3501, HUAMN CMV, TCR, T CELL, IMMUNE SYSTEM 
3bt2:L     (ASP1) to   (ILE106)  STRUCTURE OF UROKINASE RECEPTOR, UROKINASE AND VITRONECTIN COMPLEX  |   PROTEIN-PROTEIN INTERACTION, GLYCOPROTEIN, GPI-ANCHOR, LIPOPROTEIN, MEMBRANE, RECEPTOR, SECRETED, BLOOD COAGULATION, EGF-LIKE DOMAIN, FIBRINOLYSIS, HYDROLASE, KRINGLE, PHOSPHOPROTEIN, PLASMINOGEN ACTIVATION, PROTEASE, SERINE PROTEASE, ZYMOGEN, CELL ADHESION, HEPARIN-BINDING, SULFATION, IMMUNOGLOBULIN DOMAIN, IMMUNE SYSTEM 
5ff6:C     (ILE2) to   (THR109)  CETUXIMAB FAB IN COMPLEX WITH L10Q MEDITOPE VARIANT  |   ANTIBODY, ANTI-EGFR, IMMUNE SYSTEM 
3o6f:D     (VAL1) to   (GLU115)  CRYSTAL STRUCTURE OF A HUMAN AUTOIMMUNE TCR MS2-3C8 BOUND TO MHC CLASS II SELF-LIGAND MBP/HLA-DR4  |   AUTOIMMUNITY, MULTIPLE SCLEROSIS, T CELL RECEPTOR, HLA CLASS II, PROTEIN-PROTEIN COMPLEX, IMMUNOGLOBULIN FOLD, MEMBRANE, IMMUNE SYSTEM 
3o6f:H     (VAL1) to   (GLU115)  CRYSTAL STRUCTURE OF A HUMAN AUTOIMMUNE TCR MS2-3C8 BOUND TO MHC CLASS II SELF-LIGAND MBP/HLA-DR4  |   AUTOIMMUNITY, MULTIPLE SCLEROSIS, T CELL RECEPTOR, HLA CLASS II, PROTEIN-PROTEIN COMPLEX, IMMUNOGLOBULIN FOLD, MEMBRANE, IMMUNE SYSTEM 
3d85:A     (ILE2) to   (THR109)  CRYSTAL STRUCTURE OF IL-23 IN COMPLEX WITH NEUTRALIZING FAB  |   INTERLEUKIN-23, FAB, IMMUNE SYSTEM/CYTOKINE COMPLEX 
3of6:C     (GLY3) to   (GLU118)  HUMAN PRE-T CELL RECEPTOR CRYSTAL STRUCTURE  |   IG FOLD, IMMUNE SYSTEM 
4e42:B     (VAL2) to   (GLU110)  STRUCTURAL BASIS FOR THE RECOGNITION OF MUTANT SELF BY A TUMOR- SPECIFIC, MHC CLASS II-RESTRICTED T CELL RECEPTOR G4  |   IG DOMAIN, ADAPTIVE IMMUNITY, T CELL RECEPTOR, MHC, IMMUNE SYSTEM 
4e42:D     (VAL2) to   (GLU110)  STRUCTURAL BASIS FOR THE RECOGNITION OF MUTANT SELF BY A TUMOR- SPECIFIC, MHC CLASS II-RESTRICTED T CELL RECEPTOR G4  |   IG DOMAIN, ADAPTIVE IMMUNITY, T CELL RECEPTOR, MHC, IMMUNE SYSTEM 
4ei6:D     (LYS3) to   (GLU115)  STRUCTURE OF XV19 VALPHA1-VBETA16 TYPE-II NATURAL KILLER T CELL RECEPTOR  |   NATURAL KILLER T CELL RECEPTOR, IMMUNE SYSTEM 
3q5y:A     (GLY3) to   (GLU117)  V BETA/V BETA HOMODIMERIZATION-BASED PRE-TCR MODEL SUGGESTED BY TCR BETA CRYSTAL STRUCTURES  |   IG, T CELL RECEPTOR, ANTIGEN PEPTIDE/MHC, MEMBRANE, IMMUNE SYSTEM 
3q5y:B     (VAL4) to   (GLU117)  V BETA/V BETA HOMODIMERIZATION-BASED PRE-TCR MODEL SUGGESTED BY TCR BETA CRYSTAL STRUCTURES  |   IG, T CELL RECEPTOR, ANTIGEN PEPTIDE/MHC, MEMBRANE, IMMUNE SYSTEM 
3q5y:C     (VAL4) to   (GLU117)  V BETA/V BETA HOMODIMERIZATION-BASED PRE-TCR MODEL SUGGESTED BY TCR BETA CRYSTAL STRUCTURES  |   IG, T CELL RECEPTOR, ANTIGEN PEPTIDE/MHC, MEMBRANE, IMMUNE SYSTEM 
3q5y:D     (GLY3) to   (GLU117)  V BETA/V BETA HOMODIMERIZATION-BASED PRE-TCR MODEL SUGGESTED BY TCR BETA CRYSTAL STRUCTURES  |   IG, T CELL RECEPTOR, ANTIGEN PEPTIDE/MHC, MEMBRANE, IMMUNE SYSTEM 
3rgv:B     (ALA1) to   (LEU110)  A SINGLE TCR BOUND TO MHCI AND MHC II REVEALS SWITCHABLE TCR CONFORMERS  |   TCR, MHC, MHC CLASS I, IMMUNE SYSTEM 
4g8e:B     (GLY3) to   (GLU133)  CRYSTAL STRUCTURE OF CLONE18 TCR  |   TCR, T CELL, CD1B, GMM, LIPID RECOGNITION, IMMUNE SYSTEM 
4glr:K     (ALA3) to   (GLY107)  STRUCTURE OF THE ANTI-PTAU FAB (PT231/PS235_1) IN COMPLEX WITH PHOSPHOEPITOPE PT231/PS235  |   IGG1 FAB, ANTI-PTAU ANTIBODY, PHOSPHORYLATED TAU PEPTIDE, PHOSPHORYLATION, IMMUNE SYSTEM 
5ks9:E     (GLN9) to   (PRO128)  BEL502-DQ8-GLIA-ALPHA1 COMPLEX  |   CELIAC DISEASE T CELL RECEPTOR PEPTIDE MHC COMPLEX, IMMUNE SYSTEM 
5ks9:F     (GLY3) to   (GLU128)  BEL502-DQ8-GLIA-ALPHA1 COMPLEX  |   CELIAC DISEASE T CELL RECEPTOR PEPTIDE MHC COMPLEX, IMMUNE SYSTEM 
5ks9:G     (GLN9) to   (PRO128)  BEL502-DQ8-GLIA-ALPHA1 COMPLEX  |   CELIAC DISEASE T CELL RECEPTOR PEPTIDE MHC COMPLEX, IMMUNE SYSTEM 
5ksa:D     (GLY3) to   (GLU128)  BEL602-DQ8.5-GLIA-GAMMA1 COMPLEX  |   CELIAC DISEASE T CELL RECEPTOR PEPTIDE MHC COMPLEX, IMMUNE SYSTEM 
5ksb:E     (GLN3) to   (PRO128)  T15-DQ8.5-GLIA-GAMMA1 COMPLEX  |   CELIAC DISEASE T CELL RECEPTOR PEPTIDE MHC COMPLEX, IMMUNE SYSTEM 
5ksb:H     (GLY3) to   (GLU128)  T15-DQ8.5-GLIA-GAMMA1 COMPLEX  |   CELIAC DISEASE T CELL RECEPTOR PEPTIDE MHC COMPLEX, IMMUNE SYSTEM 
5l2k:E     (GLY3) to   (GLU127)  CRYSTAL STRUCTURE OF GEM42 TCR-CD1B-GMM COMPLEX  |   CD1B, LIPID, TB, MTB, GMM, TUBERCULOSIS, GEM T CELL, TCR, T CELL, GEM42, IMMUNE SYSTEM 
5swz:E     (VAL4) to   (GLU127)  CRYSTAL STRUCTURE OF NP1-B17 TCR-H2DB-NP COMPLEX  |   H2DB, INFLUENZA, NP366, REVERSED DOCKING, NAIVE T CELL, NP1-B17 TCR, TCR, T CELL, IMMUNE SYSTEM 
5t5f:H     (VAL2) to   (VAL120)  NEISSERIA MENINGITIDIS FACTOR H BINDING PROTEIN IN COMPLEX WITH MONOCLONAL ANTIBODY JAR5  |   FHBP, JAR5, EPITOPE MAPPING, MONOCLONAL ANTIBODY, COOPERATIVITY, NEISSERIA MENINGITIDIS, PROTEIN BINDING 
1nfd:C     (ASP1) to   (ALA116)  AN ALPHA-BETA T CELL RECEPTOR (TCR) HETERODIMER IN COMPLEX WITH AN ANTI-TCR FAB FRAGMENT DERIVED FROM A MITOGENIC ANTIBODY  |   COMPLEX (IMMUNORECEPTOR-IMMUNOGLOBULIN), COMPLEX (IMMUNORECEPTOR- IMMUNOGLOBULIN) COMPLEX 
2pyf:B     (GLY1) to   (GLU112)  CRYSTAL STRUCTURES OF HIGH AFFINITY HUMAN T-CELL RECEPTORS BOUND TO PMHC REVEALNATIVE DIAGONAL BINDING GEOMETRY UNBOUND TCR CLONE 5-1  |   T-CELL RECEPTOR, CDR3, PHAGE DISPLAY, MUTANT, HIGH AFFINITY, NY-ESO- 1, IMMUNE SYSTEM 
1gc1:H     (GLN1) to   (THR127)  HIV-1 GP120 CORE COMPLEXED WITH CD4 AND A NEUTRALIZING HUMAN ANTIBODY  |   COMPLEX (HIV ENVELOPE PROTEIN-CD4-FAB), HIV-1 EXTERIOR ENVELOPE GP120, T-CELL SURFACE GLYCOPROTEIN CD4, ANTIGEN-BINDING FRAGMENT OF HUMAN IMMUNOGLOBULIN 17B, GLYCOSYLATED PROTEIN, VIRAL PROTEIN- RECEPTOR-IMMUNE SYSTEM COMPLEX 
2wbj:D    (GLY23) to   (GLU141)  TCR COMPLEX  |   TRANSMEMBRANE, IMMUNE RESPONSE, T CELL RECEPTOR, MHC II, MEMBRANE, RECEPTOR, MOLECULAR MIMICRY, MULTIPLE SCLEROSIS, IMMUNE SYSTEM, AUTOIMMUNITY, GLYCOPROTEIN, MHC CLASS II 
3vxq:E     (VAL4) to   (LEU113)  H27-14 TCR SPECIFIC FOR HLA-A24-NEF134-10  |   HIV-1, NEF, IMMUNE SYSTEM, T CELL RECEPTOR, IMMUNOGLOBURIN DOMAIN, TCR, IMMUNE RESPONSE 
3vxq:B     (VAL4) to   (GLU114)  H27-14 TCR SPECIFIC FOR HLA-A24-NEF134-10  |   HIV-1, NEF, IMMUNE SYSTEM, T CELL RECEPTOR, IMMUNOGLOBURIN DOMAIN, TCR, IMMUNE RESPONSE 
4p23:B     (ALA1) to   (GLU111)  J809.B5 TCR BOUND TO IAB/3K  |   TCR MHC PEPTIDE, IMMUNE SYSTEM 
4prp:D     (GLN3) to   (PRO128)  CRYSTAL STRUCTURE OF TK3 TCR-HLA-B*35:01-HPVG-Q5 COMPLEX  |   HUMAN LEUKOCYTE ANTIGEN CLASS I, EPSTEIN-BARR VIRUS, VIRAL ESCAPE, T CELL RECEPTOR, VIRAL IMMUNITY, IMMUNE SYSTEM 
3mlv:M     (SER1) to   (LEU110)  CRYSTAL STRUCTURE OF ANTI-HIV-1 V3 FAB 2557 IN COMPLEX WITH AN NOF V3 PEPTIDE  |   HUMAN MONOCLONAL ANTIBODY, FAB, HIV-1, GP120, THIRD VARIABLE LOOP, ANTIBODY-ANTIGEN INTERACTION, IMMUNE SYSTEM 
3byt:G     (ALA3) to   (LEU117)  A COMPLEX BETWEEN A VARIANT OF STAPHYLOCOCCAL ENTEROTOXIN C3 AND THE VARIABLE DOMAIN OF THE MURINE T CELL RECEPTOR BETA CHAIN 8.2  |   SECRETED, SUPERANTIGEN, TOXIN 
4e41:I     (ILE1) to   (PRO109)  STRUCTURAL BASIS FOR THE RECOGNITION OF MUTANT SELF BY A TUMOR- SPECIFIC, MHC CLASS II-RESTRICTED T CELL RECEPTOR G4  |   IG DOMAIN, ADAPTIVE IMMUNITY, T CELL RECEPTOR, MHC, IMMUNE SYSTEM